Pump assembly



FIG. 1 is a perspective view of a pump illustrating one embodiment of our new design. The portions of the pump located on the bottom surfaces and not shown in the drawings form no part of the claimed design;

FIG. 2 is a front elevational view of the pump of FIG. 1;

FIG. 3 is a top plan view of the pump of FIG. 1;

FIG. 4 is a rear elevational view of the pump of FIG. 1;

FIG. 5 is a right elevational view of the pump of FIG. 1; and,

FIG. 6 is a left elevational view of the pump of FIG. 1. 

The ornamental design for a pump assembly, as shown and described. 